Home / 56,181,953.27-84,263,740.36-19,781,787.71

Finding the Fourth Proportional to 56,181,953.27, 84,263,740.36 and 19,781,787.71

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Solution

The fourth proportional to 56,181,953.27, 84,263,740.36 and 19,781,787.71 is: 29,669,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181,953.27 : 84,263,740.36 = 19,781,787.71 : x
  2. Step 2: Convert to fraction form
    56,181,953.27/84,263,740.36 = 19,781,787.71/x
  3. Step 3: Cross multiply
    56,181,953.27x = 84,263,740.36 × 19,781,787.71
  4. Step 4: Simplify right side
    56,181,953.27x = 1,666,887,423,452,079
  5. Step 5: Solve for x
    x = 1,666,887,423,452,079/56,181,953.27
  6. Step 6: Final answer
    x = 29,669,445.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.